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. 2013 Sep 25;8(9):e75501. doi: 10.1371/journal.pone.0075501

Figure 3. Bions form in various human body fluids.

Figure 3

Bions were prepared by adding 12, MgCl2, MnCl2, SrCl2 or BaCl2 in DMEM containing 10% HS (A-E), saliva (F-J), or urine (K-O), followed by addition of 1 mM Na2HPO4. After incubation overnight in cell culture conditions, bions were collected by centrifugation, washed with HEPES buffer, and prepared for SEM. Bions produced in various body fluids displayed bacteria-like morphologies at different stages of aggregation and conversion to biofilm-like structures.